USDCoin Base (USDCBASE) to Tether (USDT Optimism): Rate, Chart and Comparison
Live USDCoin Base to Tether rate, converter, price history, volatility and a side-by-side comparison of both coins. Ready to swap? Open the exchange form.
Rate updated: Sep 17, 2026, 12:14
- Minimum
- 200 USDCBASE
- Receiving network
- Optimism
The current USDCBASE to USDT Optimism exchange rate is 1.0005 USDT Optimism per 1 USDCBASE; the reverse rate is 1 USDT Optimism = 0.9995 USDCBASE.
The minimum amount is 200 USDCBASE.
USDT is sent to your address on the Optimism network, so make sure you provide an address on that network.
Why exchange USDCBASE to USDT Optimism
- Protection from volatilityUSDT is pegged to the dollar, so after the swap your funds no longer depend on the USDCBASE price.
- Easy to switch backThe USDT Optimism → USDCBASE direction is also available, so you can move back to USDCBASE if needed.
How much is 1 USDCBASE in USDT Optimism today
How much USDT Optimism you get for USDCBASE
| USDCBASE | USDT Optimism |
|---|---|
| 200 | 200.1 |
| 1,000 | 1,000.5 |
| 5,000 | 5,002.5 |
| 10,000 | 10,005 |
| 50,000 | 50,025 |
| 200,000 | 200,100 |
How much USDCBASE you need to get USDT Optimism
| USDT Optimism | USDCBASE |
|---|---|
| 500 | 499.7501 |
| 1,000 | 999.5002 |
| 5,000 | 4,997.5 |
| 10,000 | 9,995 |
| 50,000 | 49,975.01 |
| 100,000 | 99,950.02 |
Which network to receive USDT on
USDT for USDCBASE can be received on different networks: rates and minimums differ, and the network fee depends on the blockchain.
| Network | Rate per 1 USDCBASE | Minimum | Network fee | Speed |
|---|---|---|---|---|
| Ethereum (ERC20) | 1.0005 | 200 USDCBASE | ≈ $0.021 | moderate |
| TRON (TRC20) | 1.0005 | 200 USDCBASE | ≈ $2.3 | fast |
| BNB Smart Chain (BEP20) | 1.0005 | 200 USDCBASE | ≈ $0.0024 | fast |
| Solana | 1.0005 | 200 USDCBASE | ≈ $0.0005 | fast |
| Polygon | 1.0005 | 200 USDCBASE | ≈ $0.0017 | fast |
| Arbitrum One | 1.0005 | 200 USDCBASE | ≈ $0.0032 | fast |
| Optimism this page | 1.0005 | 200 USDCBASE | ≈ $0.00016 | fast |
| TON | 1.0005 | 200 USDCBASE | low | fast |
USDT market data
- Price
- $0.999125
- 24h change
- −0.02%
- 7d change
- −0.1%
- Market cap
- $183.29 B
- 24h volume
- $58.96 B
- Market cap rank
- #3
- Circulating supply
- 183.44 B USDT
- All-time high
- $1.32
CoinGecko data as of Sep 17, 2026, 12:04.
USDCoin Base vs Tether
| USDCoin Base (USDCBASE) | Tether (USDT) | |
|---|---|---|
| Ticker | USDCBASE | USDT |
| Type | — | token |
| Network | — | Optimism |
| Network fee paid in | — | ETH |
| Launched | — | 2014 |
| Created by | — | Tether Limited |
| Max supply | — | no cap |
| Circulating supply | — | 183.44 B USDT |
| Market cap | — | $183.29 B |
| Market cap rank | — | #3 |
What to know about USDCoin Base and Tether
Tether (USDT)
Tether (USDT) is the largest stablecoin: a token designed to stay at one US dollar. It was launched in 2014 by Tether Limited, which issues USDT against reserves that consist mostly of cash equivalents and short-term US Treasury bills.
What Tether is used for
USDT is used to park funds without price volatility, to settle trades, to move dollars across borders and to pay for services. It is the most traded asset in crypto and the most common way to lock in profits after selling other coins.
Optimism network
Optimism is an Ethereum layer-2 network. Addresses use the Ethereum format and fees are paid in ETH at a fraction of mainnet cost.
How to exchange USDCoin Base to Tether
- Enter the USDCBASE amount in the calculator (minimum 200 USDCBASE) and click “Go to exchange”.
- Enter your USDT wallet address on the Optimism network and your contact details.
- Send exactly the specified amount of USDCBASE on the USDCoin Base network to the details shown in the order.
- Once the transfer is confirmed, Tether is sent to your address. You can track the order on its status page.
What to check before exchanging USDCBASE to USDT Optimism
- The recipient address must be on the Optimism network: funds sent on another network may be lost.
- The amount sent must be at least 200 USDCBASE.
- Copy the whole address and check the first and last characters after pasting.
- Funds go through an AML check; high-risk transfers may be held until the check is complete.